CN211531317U - Loudspeaker box - Google Patents

Abstract

The utility model provides a loudspeaker box, it includes upper cover, lower cover and speaker monomer, the lower cover includes lower cover diapire, lateral wall and a plurality of projection, loudspeaker box is still including fixing the sealing plate on the projection, the upper cover is provided with the baffle, sealing plate is including ventilative separator, from ventilative separator periphery towards the lower cover bottom wall extend and with ventilative separator fixed first protruding muscle and press from both sides locate between ventilative separator and the baffle and with the protruding muscle of ventilative separator fixed second, lower cover diapire, first protruding muscle, lateral wall and ventilative separator encloses the first chamber of filling that forms to hold sound absorbing material, loudspeaker box still includes that the chamber is filled to the second, first protruding muscle is equipped with the breach that the chamber communicates is filled to first chamber of being convenient for and second towards second filling chamber direction. The utility model discloses in, the breach of first protruding muscle has increased the height of the passageway that sealing plate and lower cover bottom wall formed, and the powder flows between two cavitys when consequently can not obstruct the powder of irritating.

Description

Loudspeaker box

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the electroacoustic, especially, relate to a loudspeaker box.

[ background of the invention ]

With the rapid development of science and technology, audio equipment is also rapidly developed, people have higher and higher requirements on the functionality of the audio equipment, and more people have higher requirements on the audio performance of the speaker box. In the related art, the side surface and the back surface area are connected into a whole filling sound absorption powder material through the cooperation of the retaining wall which is assembled with the sealing plate and the upper cover on the back surface of the single body, the side surface cavity and the back surface cavity are connected through a channel at the moment, however, the sealing plate is used for a fixing ring which is fixed with the lower cover to have certain thickness, the height of the channel can be influenced by the thickness, the reduction of the height of the channel can influence the flowing efficiency of the powder material in the two cavities when the powder is filled, and the height of the channel is too small and even causes.

[ Utility model ] content

An object of the utility model is to provide a loudspeaker box aims at improving the efficiency of filling sound absorbing material and assembly, reduce cost.

The technical scheme of the utility model as follows: a loudspeaker box comprises an upper cover, a lower cover and a loudspeaker unit, wherein the lower cover and the upper cover form a containing space, the loudspeaker unit is contained in the containing space and fixed on the upper cover, the lower cover comprises a lower cover bottom wall, a side wall and a plurality of convex columns, the side wall extends from the periphery of the lower cover bottom wall towards the upper cover and is fixed on the upper cover, the convex columns extend from the lower cover bottom wall towards the lower cover, the loudspeaker box further comprises a sealing plate fixed on the convex columns, the upper cover is provided with an upper cover bottom wall in an area where the loudspeaker unit is not placed, a baffle extends from the upper cover bottom wall towards the upper cover direction and is abutted against the sealing plate, the sealing plate comprises a breathable isolating piece, a first convex rib extends from the periphery of the breathable isolating piece towards the lower cover bottom wall and is fixed with the breathable isolating piece, and a second convex rib is clamped between the breathable isolating piece and the baffle and is fixed with the breathable isolating piece, the projection supports first protruding muscle just first protruding muscle with the inner wall of lateral wall is fixed through the point gluing, the lower cover diapire first protruding muscle the lateral wall and ventilative separator surrounds the first chamber of filling that forms and hold sound absorbing material, the speaker box is still including locating the baffle is kept away from the chamber is filled to the second of speaker monomer one side, first protruding muscle orientation the second is filled the chamber direction and is equipped with and is convenient for first fill the chamber with the breach that the chamber intercommunication is filled to the second.

Furthermore, the side walls comprise two groups of long axis side walls which are oppositely arranged and short axis side walls which are oppositely arranged and connected with the two groups of long axis side walls, the extending direction of the baffle is the same as the extending direction of the short axis side walls, and two ends of the baffle are respectively abutted against the inner wall surfaces of the two groups of long axis side walls.

Furthermore, the first convex rib comprises two groups of long axis groove walls corresponding to the long axis side walls and a group of short axis groove walls corresponding to the short axis side walls and connected with the two groups of long axis groove walls, the short axis groove walls and the two groups of long axis groove walls are both positioned in the first filling cavity, and the extending ends of the two groups of long axis groove walls are in contact with the second filling cavity.

Furthermore, the convex columns comprise two first convex columns corresponding to the baffle, the projection of the first convex columns along the assembling direction of the upper cover and the lower cover falls inside the projection of the baffle along the assembling direction of the upper cover and the lower cover, and the two first convex columns are respectively connected with the two opposite long axis side walls.

Furthermore, the convex columns also comprise second convex columns, and the second convex columns are arranged at the connecting positions of the long axis side walls and the short axis side walls and are respectively connected with the long axis side walls and the short axis side walls.

Further, the heights of the convex columns relative to the side walls are equal.

Furthermore, the baffle and the second convex rib are sealed through foam or dispensing.

Furthermore, the loudspeaker box further comprises a flexible circuit board electrically connected with the loudspeaker single body, one end of the flexible circuit board is connected with the loudspeaker single body, and the other end of the flexible circuit board extends towards the direction of the baffle.

Furthermore, the bottom wall of the upper cover is provided with a powder filling hole for filling sound-absorbing materials, and the powder filling hole is communicated with the second filling cavity.

Furthermore, the upper cover is provided with a through hole which penetrates through the upper cover and is communicated with the accommodating space in an area corresponding to the loudspeaker monomer, and the upper cover further comprises a steel sheet which covers the through hole and is fixed on the upper cover.

The beneficial effects of the utility model reside in that: the utility model discloses a seal plate spare of speaker box designs for three layer construction, and the superiors are used for filling the chamber direction with the second with the fixed first protruding muscle of lower cover and are equipped with the breach, have increased the height of the passageway that seal plate spare and lower cover bottom wall formed promptly, guarantee the cavity highly uniform in passageway height and first packing chamber, and the powder flows between two cavitys when consequently can not hinder the powder of irritating.

[ description of the drawings ]

Fig. 1 is a schematic overall structure diagram of a speaker box provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a speaker box according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lower cover and a sealing plate member according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 6 is a schematic view taken in section along the line A-A of FIG. 1;

fig. 7 is an enlarged structural view of a portion B in fig. 6.

[ detailed description ] embodiments

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 3, a speaker box according to an embodiment of the present invention includes an upper cover 1, a lower cover 2 forming an accommodation space 6 with the upper cover 1, and a speaker unit 3 accommodated in the accommodation space 6 and fixed to the upper cover 1, the lower cover 2 includes a lower cover bottom wall 22, a sidewall 21 extending from a periphery of the lower cover bottom wall 22 toward the upper cover 1 and fixed to the upper cover 1, and a plurality of studs 23 extending from the lower cover bottom wall 22 toward the upper cover 1, the speaker box further includes a sealing plate 4 fixed to the studs 23, the upper cover 1 is provided with an upper cover bottom wall 11 in a region where the speaker unit 3 is not disposed, a baffle 12 extending from the upper cover bottom wall 11 toward the lower cover 2 and abutting against the sealing plate 4, the sealing plate 4 includes a breathable spacer 41, a first rib 42 extending from a periphery of the breathable spacer 41 and fixed to the breathable spacer 41, and a clamp between the breathable spacer 41 and the speaker unit 3 Between the baffle 12 and with the fixed second protruding muscle 43 of ventilative separator 41, it is fixed that boss 23 supports first protruding muscle 42 and lateral wall 21's inner wall through the point glue, lower cover bottom wall 22, first protruding muscle 42, lateral wall 21 and ventilative separator 41 surround and form the first chamber 61 of filling that holds sound absorbing material, the speaker box is still including locating baffle 12 and keeping away from the second chamber 62 of filling of speaker monomer 3 one side, first protruding muscle 42 towards the second fill chamber 62 direction be equipped with be convenient for first fill chamber 61 with the breach 7 that the chamber 62 communicates is filled to the second.

Compared with the prior art, the utility model discloses a sealing plate 4 of speaker box designs for three layer construction, and the superiors are used for filling the chamber 62 direction with the second with the fixed first protruding muscle 42 of lower cover 2 and are equipped with breach 7, have increased the height of the passageway that sealing plate 4 and lower cover bottom wall 22 formed promptly, guarantee the cavity highly uniform of passageway height and first filling chamber 61, and the powder flows between two cavitys when consequently can not obstruct the powder of irritating, has improved the efficiency of irritating the powder.

Because the thickness of ventilative separator 41 is less, it is difficult to guarantee that ventilative separator 41 is fixed firm only to lean on the support of projection 23, therefore the sealing plate 4 of this embodiment still includes from ventilative separator 41 periphery to cover the fixed first protruding muscle 42 of diapire 22 extension and with ventilative separator 41 down, the shape of first protruding muscle 42 and the shape adaptation of lateral wall 21, it is fixed to guarantee through the point of the internal surface of first protruding muscle 42 and lateral wall 21 that there is not the gap between sealing plate 4 and the lateral wall 21, sealing effect has been strengthened, prevent to leak the powder.

Referring to fig. 4, the sidewall 21 includes two sets of major-axis sidewalls 211 disposed opposite to each other and minor-axis sidewalls 212 disposed opposite to and connected to the two sets of major-axis sidewalls 211, an extending direction of the baffle 12 is the same as an extending direction of the minor-axis sidewalls 212, and two ends of the baffle 12 respectively abut against inner wall surfaces of the two sets of major-axis sidewalls 211. The direction of extension of the baffle 12 is the same as the direction of extension of the minor axis sidewall 212 so that the length of the baffle 12 is minimized, avoiding too much space being taken up by the baffle 12, and also making the space of the second fill cavity 62 larger. And the both ends of baffle 12 butt two sets of major axis lateral wall 211's internal wall respectively, can further strengthen sealed effect, prevent to appear leaking the powder phenomenon. The baffle 12 and the upper cover 1 are of an integrated structure and are easy to process. The baffle 12 of this embodiment and the protruding muscle 43 of second between through the cotton sealed of bubble, also can adopt the point to glue sealed, just so can make baffle 12 and sealing plate 4 seamless fixed, avoid leaking the powder.

Referring to fig. 5, the first rib 42 includes two sets of major axis groove walls 421 corresponding to the major axis sidewall 211 and a set of minor axis groove walls 422 corresponding to the minor axis sidewall 212 and connecting the two sets of major axis groove walls 421, the minor axis groove walls 422 and the two sets of major axis groove walls 421 are located in the first filling cavity 61, and the extending ends of the two sets of major axis groove walls 421 contact with the second filling cavity 62.

Referring to fig. 5 to 7, the protruding pillar 23 includes two first protruding pillars 231 corresponding to the baffle 12, a projection of the first protruding pillars 231 along an assembling direction of the upper cover 1 and the lower cover 2 falls inside a projection of the baffle 12 along an assembling direction of the upper cover 1 and the lower cover 2, and the two first protruding pillars 231 are connected to two sections of the long-axis sidewalls 211, respectively, so that the first protruding pillars 231 and the first ribs 42, and the second ribs 43 and the baffle 12 achieve a better sealing effect. The protruding pillar 23 further includes a second protruding pillar 232, and the second protruding pillar 232 is disposed at a connection position of the long-axis sidewall 211 and the short-axis sidewall 212 and is respectively connected to the long-axis sidewall 211 and the short-axis sidewall 212. Of course, the convex pillar 23 of the present embodiment is not limited to the first convex pillar 231 and the second convex pillar 232, and also not limited to the position of the convex pillar 23, but the number of the convex pillars 23 is not too large, so as to prevent occupying too much filling space. Preferably, the heights of the side walls 21 of the plurality of protruding columns 23 are equal, so that the sealing plate 4 is parallel to the lower cover bottom wall 22 and the upper cover bottom wall 11, and the first protruding ribs 42 are attached to the inner surfaces of the side walls 21 more tightly, thereby improving the stability of the sealing plate 4.

In this embodiment, the speaker box further includes a flexible printed circuit 5 electrically connected to the speaker unit 3, one end of the flexible printed circuit 5 is connected to the speaker unit 3, the other end of the flexible printed circuit 5 extends toward the baffle 12, and the speaker unit 3 is electrically connected to the flexible printed circuit 5 so that the speaker unit 3 is normally powered on.

In this embodiment, the upper cover bottom wall 11 is provided with a powder filling hole 13 for filling sound-absorbing material, the powder filling hole 13 is communicated with the second filling cavity 62, and the sound-absorbing material is filled into the second filling cavity 62 through the powder filling hole 13. The upper cover 1 of the embodiment is provided with a through hole 14 penetrating through the upper cover 1 and communicating with the accommodating space 6 in the area corresponding to the speaker unit 3, the upper cover 1 further comprises a steel sheet 16 covering the through hole 14 and fixed on the upper cover 1, and the steel sheet 16 can improve the strength of the upper cover 1. The lower lid bottom wall 22 of this embodiment is also of steel sheet construction.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims (10)

1. The utility model provides a loudspeaker box, including the upper cover, with the upper cover form accommodating space's lower cover and accept in the accommodating space and be fixed in the speaker monomer of upper cover, a serial communication port, the lower cover includes the lower cover diapire, certainly lower cover diapire periphery court the upper cover direction extends and fixes lateral wall and a plurality of certainly on the upper cover the lower cover diapire orientation the projection that the upper cover direction extends, loudspeaker box is still including fixing sealing plate on the projection, the upper cover is provided with upper cover diapire and certainly in its region that does not place the speaker monomer upper cover diapire orientation the lower cover direction extends and butt sealing plate's baffle, sealing plate includes ventilative separator, certainly ventilative separator periphery court the lower cover diapire extend and with ventilative separator fixed first protruding muscle and press from both sides locate ventilative separator with between the baffle and with ventilative separator fixed second protruding muscle The muscle, the projection supports first protruding muscle just first protruding muscle with the inner wall of lateral wall is fixed through the point gluing, the lower cover diapire first protruding muscle the lateral wall and ventilative separator surrounds the first chamber of filling that forms and hold sound absorbing material, the speaker box is still including locating the baffle is kept away from the chamber is filled to the second of speaker monomer one side, first protruding muscle orientation the chamber direction is filled to the second is equipped with and is convenient for first fill the chamber with the breach that the chamber intercommunication is filled to the second.

2. The speaker box according to claim 1, wherein the sidewalls include two sets of major axis sidewalls disposed opposite to each other and minor axis sidewalls disposed opposite to each other and connecting the two sets of major axis sidewalls, an extending direction of the baffle is the same as an extending direction of the minor axis sidewalls, and both ends of the baffle abut against inner wall surfaces of the two sets of major axis sidewalls, respectively.

3. The speaker cabinet of claim 2, wherein the first rib includes two sets of major axis slot walls corresponding to the major axis sidewall and one set of minor axis slot walls corresponding to the minor axis sidewall and connecting the two sets of major axis slot walls, the minor axis slot walls and the two sets of major axis slot walls are located in the first filling cavity, and the extended ends of the two sets of major axis slot walls are in contact with the second filling cavity.

4. The speaker box of claim 2, wherein the protruding columns include two first protruding columns corresponding to the baffle, a projection of the first protruding columns along the assembling direction of the upper cover and the lower cover falls inside a projection of the baffle along the assembling direction of the upper cover and the lower cover, and the two first protruding columns are respectively connected with two opposite long-axis side walls.

5. The speaker cabinet of claim 2, wherein the posts further include second posts disposed at junctions of and connected to the long axis side walls and the short axis side walls, respectively.

6. A loudspeaker enclosure according to claim 1, wherein the posts are of equal height relative to the side walls.

7. A loudspeaker enclosure according to claim 1, wherein the baffle plate and the second rib are sealed by foam or by glue.

8. The speaker box of claim 1, further comprising a flexible printed circuit board electrically connected to the speaker unit, wherein one end of the flexible printed circuit board is connected to the speaker unit, and the other end of the flexible printed circuit board extends toward the baffle.

9. The loudspeaker box of claim 1, wherein the bottom wall of the upper cover is provided with a powder filling hole for filling sound absorption material, and the powder filling hole is communicated with the second filling cavity.

10. The loudspeaker box of claim 1, wherein the upper cover is provided with a through hole penetrating through the upper cover and communicating with the accommodating space in an area corresponding to the loudspeaker unit, and the upper cover further comprises a steel sheet covering the through hole and fixed on the upper cover.

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